state/*: login to /ENVUUID/api URLs

state/apiserver/common/errors.go

Index: state/apiserver/common/errors.go 
=== modified file 'state/apiserver/common/errors.go' 
--- state/apiserver/common/errors.go	2014-05-13 04:30:48 +0000 
+++ state/apiserver/common/errors.go	2014-05-26 13:12:05 +0000 
@@ -47,6 +47,7 @@ 
 var ( 
	ErrBadId = stderrors.New("id not found") 
	ErrBadCreds = stderrors.New("invalid entity name or password") 
+	ErrInvalidEnviron = stderrors.New("invalid environment requested") 

[rog, 2014/06/02 10:08:18]

ErrUnknownEnviron = "unknown environment" ? 

[jameinel, 2014/06/05 13:47:19]

I was actually pretty dissatisfied with the static error, so I went ahead and turned it into a typed error of UnknownEnviron, so that we can pass around the UUID we didn't understand, so we can report it back to the user. 

	ErrPerm = stderrors.New("permission denied") 
	ErrNotLoggedIn = stderrors.New("not logged in") 
	ErrUnknownWatcher = stderrors.New("unknown watcher id") 
@@ -63,6 +64,7 @@ 
	state.ErrUnitHasSubordinates: params.CodeUnitHasSubordinates, 
	ErrBadId: params.CodeNotFound, 
	ErrBadCreds: params.CodeUnauthorized, 
+	ErrInvalidEnviron: params.CodeUnauthorized, 
	ErrPerm: params.CodeUnauthorized, 
	ErrNotLoggedIn: params.CodeUnauthorized, 
	ErrUnknownWatcher: params.CodeNotFound,